It is NOT the listing that ppl are typing on here.I know a very Stupid person that has one of these installed on thier iphone.Can also be installed on other devices.There is an identical number being used by a non market ap.Its for pranking ppl.I hate It.I also am a victim.Some of u may have actualy got the true listing.There are aps u can instal that can trak down the ip address of the user.Use that address to see who the device is registered to.Then call the police and make a police report.It will stop.